Texas GOP gubernatorial candidates (from left) Gov. Rick Perry, Sen. Kay Bailey Hutchison and Debra Medina debate in Dallas. Louis DeLuca, Pool/AP hide caption

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The Bamberger Ranch Preserve is home to 60 of the scimitar-horned oryx, an endangered species that has not been seen in the wild for 20 years. Scott Kentros for NPR hide caption

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Texas House Speaker Joe Straus is one of the newest stars of the Republican Party, but whether he can carry his appeal nationally remains to be seen. Harry Cabluck/AP hide caption

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